2078780440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{22391}}^1$

素因数の和:22624

約数の個数: 64

約数和(自身を含む): 5126872320

約数和(自身を除く): 3048091880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 844, 1055, 1688, 2110, 2321, 4220, 4642, 8440, 9284, 11605, 18568, 22391, 23210, 44782, 46420, 89564, 92840, 111955, 179128, 223910, 246301, 447820, 492602, 895640, 985204, 1231505, 1970408, 2463010, 4724501, 4926020, 9449002, 9852040, 18898004, 23622505, 37796008, 47245010, 51969511, 94490020, 103939022, 188980040, 207878044, 259847555, 415756088, 519695110, 1039390220, 2078780440]

約数ペア:

[(1, 2078780440), (2, 1039390220), (4, 519695110), (5, 415756088), (8, 259847555), (10, 207878044), (11, 188980040), (20, 103939022), (22, 94490020), (40, 51969511), (44, 47245010), (55, 37796008), (88, 23622505), (110, 18898004), (211, 9852040), (220, 9449002), (422, 4926020), (440, 4724501), (844, 2463010), (1055, 1970408), (1688, 1231505), (2110, 985204), (2321, 895640), (4220, 492602), (4642, 447820), (8440, 246301), (9284, 223910), (11605, 179128), (18568, 111955), (22391, 92840), (23210, 89564), (44782, 46420)]